Run it
Copy the script and paste it into your executor.
local RunService = game:GetService("RunService")
local Workspace = game:GetService("Workspace")
local Players = game:GetService("Players")
-- Settings
local spamAmount = 500 -- How many parts every frame
local partSize = Vector3.new(0.5, 0.5, 0.5)
local material = Enum.Material.Neon
local color = Color3.fromRGB(255, 0, 0)
-- Function to spawn lag
local function lagSpike()
for i = 1, spamAmount do
local part = Instance.new("Part")
part.Size = partSize
part.Anchored = false
part.CanCollide = true
part.Material = material
part.Color = color
part.Position = Players.LocalPlayer.Character Players.LocalPlayer.Character.HumanoidRootPart.Position + .(.(-,), .(,), .(-,)) .()
part.Parent = Workspace
part.Velocity = .(.(-,),.(-,),.(-,))
RunService.Heartbeat:(()
()
)
literally fucking useless + watch your pc die

Universal